<!--
 * @Descripttion: 
 * @version: 
 * @Author: liangxh
 * @Date: 2020-07-14 16:48:50
 * @LastEditors: liangxh
 * @LastEditTime: 2020-07-14 17:14:38
--> 
<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>Title</title>
</head>
<body>
<div id="app">
  <input type="text" v-model="message">{{message}}
</div>
<script src="https://cdn.bootcss.com/vue/2.6.11/vue.min.js"></script>
<script>
  const app = new Vue({
    el: '#app',
    data: {
      message: "hello"
    }
  })
</script>
</body>
</html>